15311979

素因数分解:

$3^2\times {\mathrm{67}}^2\times {\mathrm{379}}^1$

素因数の和:519

約数の個数: 18

約数和(自身を含む): 22511580

約数和(自身を除く): 7199601

約数列:

[1, 3, 9, 67, 201, 379, 603, 1137, 3411, 4489, 13467, 25393, 40401, 76179, 228537, 1701331, 5103993, 15311979]

約数ペア:

[(1, 15311979), (3, 5103993), (9, 1701331), (67, 228537), (201, 76179), (379, 40401), (603, 25393), (1137, 13467), (3411, 4489)]